Pension and Other Post-Retirement Plans - Summary of Net Periodic Pension Cost Included in Salaries and Employee Benefits Expense (Details) - Defined Benefit Plan [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 71
Amortization of net actuarial loss	344
Settlement loss	128
Net periodic benefit cost	$ 543